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If the device is runtime suspended the eDP panel power is also off.
Ignore a short HPD on eDP if the device is suspended accordingly,
instead of checking the panel power state via the PPS registers for the
same purpose. The latter involves runtime resuming the device
unnecessarily, in a frequent scenario where the panel generates a
spurious short HPD after disabling the panel power and the device is
runtime suspended.
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009194358.1321200-2-imre.deak@intel.com
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As of commit 2edc6a75f26c ("drm/i915: switch intel_wakeref_t underlying
type to struct ref_tracker *") we gained quite a few sparse warnings
about "Using plain integer as NULL pointer" for using 0 to initialize
wakeref_t. Switch to NULL everywhere.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241002181655.582597-1-jani.nikula@intel.com
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A number of places rely on the magic -1 to denote
INTEL_WAKEREF_DEF. Switch to the macro. Define it for xe as well.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/57e5f1989113be4d63386478d9438cfc35a2a1f7.1726680898.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Move things that belong to intel_runtime_pm.h to the correct place. Add
missing header guards while at it.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/edefb6ef02920528eacdf01b828cfc45ce55e061.1717004739.git.jani.nikula@intel.com
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We accidentally always pass true as s2idle argument, instead of
calculating it in the same way as i915.
Suspend modes were removed to achieve compatibility with i915, but
accidentally left in the source code.
While at it, fix all other cases too, s2idle will go into a D1 state and
setting a lower power state should be handled by PCI core.
Maybe my laptop stops draining so much power during suspend now? I can
only hope..
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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As for display, the intent is to share the display code with the i915
driver so that there is maximum reuse there.
We do this by recompiling i915/display code twice.
Now that i915 has been adapted to support the Xe build, we can add
the xe/display support.
This initial work is a collaboration of many people and unfortunately
this squashed patch won't fully honor the proper credits.
But let's try to add a few from the squashed patches:
Co-developed-by: Matthew Brost <matthew.brost@intel.com>
Co-developed-by: Jani Nikula <jani.nikula@intel.com>
Co-developed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Co-developed-by: Matt Roper <matthew.d.roper@intel.com>
Co-developed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Co-developed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Co-developed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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